$ git clone -n https://gitee.com/wenyuzifang/libtracefs.git /var/lib/mock/dist-an23-build-462660-73799/root/chroot_tmpdir/scmroot/libtracefs
Cloning into '/var/lib/mock/dist-an23-build-462660-73799/root/chroot_tmpdir/scmroot/libtracefs'...
$ git fetch origin b59a12226e3604421f0468c61ea4bb064905d619:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libtracefs
 * [new ref]         b59a12226e3604421f0468c61ea4bb064905d619 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b59a122 Update code from upstream